P3315 – BMW DTC

BMW DTC P3315 – Ignition Coil Cylinder 3 Circuit High or None-Impedance

DTC P3315 meaning on BMW

The DTC P3315 on a BMW indicates an issue with the ignition coil for cylinder 3. Specifically, it signifies a high or none-impedance condition in the circuit related to the ignition coil for cylinder 3.

BMW DTC P3315 symptoms

Symptoms of the DTC P3315 on a BMW may include engine misfires, rough idling, loss of power, and potentially an illuminated check engine light on the dashboard.

BMW DTC P3315 causes

The common causes of the DTC P3315 on a BMW include a faulty ignition coil for cylinder 3, damaged wiring or connectors in the ignition coil circuit, or issues with the Engine Control Module (ECM).

BMW DTC P3315 seriousness

Ignoring the DTC P3315 on a BMW can lead to poor engine performance, reduced fuel efficiency, and potential damage to other engine components over time. It is recommended to address this issue promptly.

How to diagnose DTC P3315 on BMW

To diagnose the DTC P3315 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes and then perform a visual inspection of the ignition coil for cylinder 3, check the wiring and connectors for any damage, and test the resistance in the circuit.

How to fix DTC P3315 on BMW

Fixing the DTC P3315 on a BMW usually involves replacing the faulty ignition coil for cylinder 3, repairing any damaged wiring or connectors in the circuit, and ensuring proper connection to the ECM. Once the repairs are made, the fault codes can be cleared.

How to erase DTC P3315 on BMW

To erase the DTC P3315 on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the ECM memory. After the repairs have been completed and the issue resolved, the fault codes can be cleared to reset the system.